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RULES FOR SAFE OPERATION

 TABLE OF CONTENTS

Service Information ................................................................................................................................ 2
Rules for Safe Operation ........................................................................................................................ 2
Know Your Unit ...................................................................................................................................... 3
Assembly Instructions ............................................................................................................................ 3
Oil and Fuel Information ......................................................................................................................... 3
Starting/Stopping Instructions ............................................................................................................... 3
Operating Instructions ........................................................................................................................... 4
Maintenance and Repair Instructions .................................................................................................... 4
Cleaning and Storage ............................................................................................................................ 5
Optional Accessory ................................................................................................................................ 5
Troubleshooting Chart ............................................................................................................................ 5
Specifi cations ........................................................................................................................................ 5
Warranty Information ........................................................................................................................... 16

 SPARK ARRESTOR NOTE
NOTE: For users on U.S. Forest Land and in the states of California, Maine, Oregon and Washington.

 

All U.S. Forest Land and the state of California (Public Resources Codes 4442 and 4443), Oregon and 
Washington require, by law that certain internal combustion engines operated on forest brush and/or grass-
covered areas be equipped with a spark arrestor, maintained in effective working order, or the engine be 
constructed, equipped and maintained for the prevention of fi re. Check with your state or local authorities 
for regulations pertaining to these requirements. Failure to follow these requirements could subject you to 
liability or a fi ne. 

This unit is factory equipped with a spark arrestor.

 If it requires replacement, ask your 

LOCAL SERVICE DEALER to install the 

Accessory Part #753-05900 Muffl er Assembly

 The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, 
and their explanations, deserve your careful attention and understanding. The safety warnings do not 
by themselves eliminate any danger. The instructions or warnings they give are not substitutes for 
proper accident prevention measures.

S

YMBOL

M

EANING

 SAFETY ALERT:

 Indicates danger, warning or caution. Attention is required in 

order to avoid serious personal injury. May be used in conjunction with other symbols or 
pictographs.

NOTE:

 

Advises of information or instructions vital to the operation or maintenance of the 
equipment.

 DANGER:

 Failure to obey a safety warning will result in serious injury to yourself or to 

others. Always follow the safety precautions to reduce the risk of fi re, electric shock and 
personal injury.

 WARNING:

 Failure to obey a safety warning can result in injury to yourself and others. 

Always follow the safety precautions to reduce the risk of fi re, electric shock and personal 
injury.

 

CAUTION:

 Failure to obey a safety warning may result in property damage or personal 

injury to yourself or to others. Always follow the safety precautions to reduce the risk of 
fi re, electric shock and personal injury.

 • IMPORTANT SAFETY INSTRUCTIONS •

 READ ALL INSTRUCTIONS BEFORE OPERATING

GENERAL SAFETY INSTRUCTIONS

• 

Read the instructions carefully. Be familiar with the controls and proper use of the unit.

• 

Do not operate this unit when tired, ill, or under the infl uence of alcohol, drugs, or medication.

• 

Children and teens under the age of 15 must not use the unit, except for teens guided by an adult.

• 

All guards and safety attachments must be installed properly before operating the unit.

• 

Inspect the unit before use. Replace damaged parts. Check for fuel leaks. Make sure all fasteners 
are in place and secure. Replace parts that are cracked, chipped, or damaged in any way. Do not 
operate the unit with loose or damaged parts.

• 

Carefully inspect the area before starting the unit. Remove all debris and hard or sharp objects such 
as glass, wire, etc.

• 

Clear the area of children, bystanders, and pets. At a minimum, keep all children, bystanders, and pets 
outside a 50 feet (15 m) radius; there still may be a risk to bystanders from thrown objects. Bystanders 
should be encouraged to wear eye protection. If you are approached, stop the unit immediately.

• 

Squeeze the throttle control and check that it returns automatically to the idle position. Make all 
adjustments or repairs before using unit.

• 

Never store the unit, with fuel in the tank, inside a building where fumes may reach an open fl ame 
(pilot lights, etc.) or sparks (switches, electrical motors, etc.).

• 

Allow the engine to cool before storing or transporting. Be sure to secure the unit while transporting.

• 

Store the unit in a dry place, either locked up or up high to prevent unauthorized use or damage. 
Keep out of the reach of children.

• 

Never douse or squirt the unit with water or any other liquid. Keep handles dry, clean, and free from 
debris. Clean after each use. See 

Cleaning and Storage

 instructions.

• 

Keep these instructions. Refer to them often and use them to instruct other users. If you loan this 
unit to others, also loan these instructions to them.

• 

Wear safety glasses or goggles that are marked as meeting ANSI Z87.1–1989 standards and are 
marked as such. 

• 

Never run the unit without the proper equipment attached. Do not operate the unit without the 
blower tubes attached. 

• 

To reduce the risk of hearing loss associated with sound level(s), always wear ear/hearing protection 
when operating this unit. 

• 

Wear heavy long pants, boots, gloves, and a long sleeve shirt. Do not wear loose clothing, jewelry, 
short pants, sandals or go barefoot. Secure hair above shoulder level.

• 

Use the unit only in daylight or good artifi cial light.

• 

Keep outside surfaces free from oil and fuel.

• 

Avoid accidental starting. Be in the starting position whenever pulling the starter rope. The operator 
and unit must be in a stable position while starting. Refer to 

Starting/Stopping Instructions

.

• 

Do not set unit on any surface except a clean, hard area while engine is running. Debris such as 
gravel, sand, dust, grass, etc. could be picked up by the air intake and thrown out by the discharge 
opening, damaging unit, property, or causing serious injury to bystanders or operator.

• 

Use the right tool. Only use this tool for its intended purpose.

• 

Do not force unit. It will do the job better and with less likelihood of injury at a rate for which it was 
designed.

• 

Do not overreach or use from unstable surfaces such as ladders, trees, steep slopes, rooftops, etc. 
Always keep proper footing and balance.

• 

Always hold the unit with a fi rm grip when operating.

• 

Keep hands, face, and feet away from all moving parts. Do not touch or try to stop the impeller when it 
is rotating. Do not operate without guards in place.

• 

Do not put any object into openings. Do not use with any opening blocked; keep free of dirt, debris, 
and anything that may reduce the air fl ow.

• 

Do not touch the engine or muffl er. These parts get extremely hot from operation, even after the unit 
is turned off.

• 

Do not operate the engine faster than the speed needed to do the job. Do not run the engine at high 
speed when not in use.

• 

Always stop the engine when operation is delayed or when walking from one location to another.

• 

Use only genuine factory replacement parts and accessories for this unit. These are available from 
your authorized service dealer. Use of any unauthorized parts or accessories could lead to serious 
injury to the user or damage to the unit, and void your warranty.

• 

If you strike or come into contact with a foreign object, stop the engine immediately and check for 
damage. Do not operate before repairing damage. Do not operate the unit with loose or damaged parts.

• 

To reduce fi re hazard, replace faulty muffl er and spark arrestor. Keep the engine and muffl er free from 
grass, leaves, excessive grease or carbon build up.

SAFETY WARNINGS FOR GAS UNITS

• 

Store fuel only in containers specifi cally designed and approved for the storage of such materials.

• 

Always stop the engine and allow it to cool before fi lling the tank. Never remove the fuel tank cap or 
add fuel when the engine is hot. Always loosen the fuel tank cap slowly to relieve any pressure in the 
tank before fueling. DO NOT smoke.

• 

Always add fuel in a clean, well-ventilated outdoor area where there are no sparks or fl ames. DO 
NOT smoke.

• 

Never operate the unit without the fuel cap securely in place.

• 

Avoid creating a source of ignition for spilled fuel. Wipe up any spilled fuel from the unit, immediately 
before starting the unit. Move the unit at least 30 ft. (9.1 m) from the fueling source and site before 
starting the engine. DO NOT smoke.

• 

Never start or run the unit inside a closed room or building. Breathing exhaust fumes can kill. Operate 
this unit only in a well ventilated outdoor area.

BLOWER SAFETY INSTRUCTIONS

• 

Stop the engine for maintenance, repair, to install or remove the blower tubes. The unit must be 
stopped and the impeller no longer turning to avoid contact with the rotating blades.

• 

Never use this unit for spreading chemicals, fertilizers or other substances which may contain toxic 
materials.

• 

Never point the blower in the direction of bystanders, animals, windows or automobiles.

SPECIAL NOTE:  

EXPOSURE TO VIBRATIONS THROUGH PROLONGED USE OF GASOLINE 

POWERED HAND TOOLS COULD CAUSE BLOOD VESSEL OR NERVE DAMAGE IN THE 
FINGERS, HANDS, AND JOINTS OF PEOPLE PRONE TO CIRCULATION DISORDERS OR 
ABNORMAL SWELLING. Prolonged use in cold weather has been linked to blood vessel 
damage in otherwise healthy people. If symptoms occur such as numbness, pain, loss of 
strength, change in skin color or texture, or loss of feeling in the fi ngers, hands or joints, 
discontinue use of this tool and seek medical attention. An anti-vibration system does not 
guarantee avoidance of these problems. Users who operate power tools on a  regular basis 
must closely monitor their physical condition and the condition of this tool.

SAVE THESE INSTRUCTIONS

WARNING:

 When using the unit, all safety rules must be followed. Please read these 

instructions before operating the unit in order to ensure the safety of the operator and any 
bystanders. Please keep these instructions for later use.

WARNING:

 Gasoline is highly fl ammable and its vapors can explode if ignited. Take the 

following precautions:

 • SAFETY & INTERNATIONAL SYMBOLS •

 This operator’s manual describes safety and international symbols and pictographs that may 
appear on this product.  Read the operator’s manual for complete safety, assembly, operating and 
maintenance and repair information.

  S

YMBOL

M

EANING

•  SAFETY ALERT SYMBOL

Indicates danger, warning or caution. May be used in conjunction with other 
symbols or pictographs.

•  READ OPERATOR’S MANUAL

WARNING:

 

Read the operator’s manual(s) and follow all warnings and safety 

instructions. Failure to do so can result in serious injury to the operator and/or 
bystanders.

•  WEAR EYE AND HEARING PROTECTION 

WARNING:

 Thrown objects and loud noise can cause severe eye injury and hearing 

loss. Wear eye protection  meeting ANSI Z87.1-1989 standards and ear protection when 
operating this unit. Use a full face shield when needed.

• UNLEADED FUEL 

Always use clean, fresh unleaded fuel

• OIL

Refer to operator’s manual for the proper type of oil.

•  DO NOT USE E85 FUEL IN THIS UNIT

WARNING:

 It has been proven that fuel containing greater than 10% ethanol 

will likely damage this engine and void the warranty.

• ON/OFF CONTROL

ON / START / RUN

• ON/OFF CONTROL

OFF or STOP

• PRIMER BULB

Push primer bulb, fully and slowly, 10 times.

• CHOKE CONTROL

1. • 

FULL

 choke position

2. • 

PARTIAL

 choke position

3. • 

RUN

 choke position

•  THROWN OBJECTS AND ROTATING CUTTER CAN CAUSE SEVERE INJURY

WARNING:

 Small objects can be propelled at high speed, causing injury. Keep 

away from the rotating rotor.

•  KEEP BYSTANDERS AWAY

WARNING:

 Keep all bystanders, especially children and pets, at least 50 feet 

(15 m) from the operating area.

• HOT SURFACE

WARNING:

 Do not touch any metal engine components. The engine gets 

extremely hot from operation and may cause severe burns. Allow the unit to 
completely cool prior to any maintenance or servicing.

•  BLOWERS – ROTATING IMPELLER BLADES CAN CAUSE SEVERE INJURY

WARNING:

 Stop the engine and allow the impeller to stop before installing or 

changing tubes, or before cleaning or performing any maintenance.

DO NOT RETURN THIS UNIT TO THE RETAILER. PROOF OF PURCHASE WILL BE REQUIRED 
FOR WARRANTY SERVICE.

For assistance regarding the assembly, controls, operation or maintenance of the unit, please call the 
Customer Support Department at 

1-800-828-5500

 in the United States or 

1-800-668-1238

 in Canada. 

Additional information about the unit can be found on our website at 

www.troybilt.com

 or 

www.troybilt.ca

.

For service, please call the Customer Support Department to obtain a list of authorized service 
dealers near you. Service on this unit, both within and after the warranty period, should only 
be performed by an authorized and approved service dealer. When servicing, use only identical 
replacement parts.

 All information, illustrations, and specifi cations in this manual are based on the latest product information 
available at the time of printing. We reserve the right to make changes at any time without notice.
Copyright© 2011 MTD SOUTHWEST INC, All Rights Reserved.

RULES FOR SAFE OPERATION

SERVICE INFORMATION

CALIFORNIA PROPOSITION 65
WARNING:

 Engine exhaust, some of its constituents and certain fi nished components 

contain or emit chemicals known to the State of California to cause cancer and birth 
defects or other reproductive harm. Wash hands after handling.

Summary of Contents for TB4HB EC

Page 1: ...Warm unit for an additional 60 seconds to complete warm up Unit may be used during this time 1 1 2 Remove all contents from the carton 5 6 7 1 9 10 3 Place the unit on a level surface remove the oil plug from the crankcase and pour the entire bottle of oil into the fill hole Crouch in starting position 8 4 Starting The Unit 11 12 13 14 10 X 5 X 3 5 X Starter Rope Blower Outlet Throttle Control On ...

Page 2: ... engine faster than the speed needed to do the job Do not run the engine at high speed when not in use Always stop the engine when operation is delayed or when walking from one location to another Use only genuine factory replacement parts and accessories for this unit These are available from your authorized service dealer Use of any unauthorized parts or accessories could lead to serious injury ...

Page 3: ...containing greater than 10 ethanol will likely damage this engine and void the warranty WARNING Gasoline is extremely flammable Ignited vapors may explode Always stop the engine and allow it to cool before filling the fuel tank Do not smoke while filling the tank Keep sparks and open flames at a distance from the area WARNING Remove fuel cap slowly to avoid injury from fuel spray Never operate the...

Page 4: ...is at the top of its travel by looking in the spark plug hole Fig 21 Both rocker arms move freely and both valves are closed If these statements are not true repeat this step 6 Slide the feeler gauge between the rocker arm and the valve return spring Measure the clearance between the valve stem and rocker arm Fig 22 Measure both the intake and exhaust valves The recommended clearance for both inta...

Page 5: ...0 in the U S 1 800 668 1238 in Canada for more information and purchasing You may also go to www troybilt com or www troybilt ca CLEANING AND STORAGE CLEANING Use a small brush to clean off the outside of the unit Do not use strong detergents Household cleaners that contain aromatic oils such as pine and lemon and solvents such as kerosene can damage plastic housing or handle Wipe off any moisture...

Page 6: ...nette des gaz Laissez tourner le moteur encore 60 secondes pour terminer le réchauffage Pendant ce temps l appareil peut être utilisé 1 1 2 Retirez tous les éléments du carton 5 6 7 1 9 10 3 Placez l unité sur une surface de niveau enlevez le bouchon du carter de vilebrequin et versez la bouteille entière d huile dans le trou de suffisance Accroupissez vous dans la position de démarrage 8 4 Démarr...

Page 7: ...s de blessures en l utilisant de façon adéquate N essayez pas d atteindre des branches trop éloignées et évitez de vous tenir sur des surfaces trop instables comme une échelle un arbre une pente raide un toit etc Gardez toujours une position stable et un bon équilibre Gardez toujours une prise ferme sur l appareil lorsque vous l utilisez Gardez les mains le visage et les pieds éloignés des parties...

Page 8: ...être utile pour mesurer la quantité d huile correcte lorsque vous la changerez les fois suivantes Reportez vous aux Instructions portant sur la vidange de l huile 1 Dévissez le bouchon du flacon d huile et retirez l opercule sur l ouverture Remettez le bouchon en place et coupez la pointe en entonnoir Fig 4 2 Placez l appareil sur une surface plane et retirez le bouchon d huile Fig 5 3 Versez la t...

Page 9: ... mouvement contrôlé 6 Mettez le levier d étranglement en Position 2 Fig 9 7 Ne pas presser sur la gâchette Tirez sur le cordon du démarreur 3 à 5 fois de suite dans un mouvement contrôlé de démarrer le moteur 8 Pincez et maintenez la gâchette ou appuyez sur la touche control de croisière et laissez le moteur se réchauffer pendant 30 à 60 secondes 9 Continuer à appuyer sur la gâchette Déplacez le l...

Page 10: ...lace Si vous utilisez une clé dynamométrique serrez à 110 120 in lb 12 3 13 5 N m Ne serrez pas trop fort Fig 23 Fig 22 Jauge d épaisseur Écrou de réglage Culbuteur Tige de soupape Fig 24 0 635 mm 0 025 in AVERTISSEMENT Ne jamais gratter sabler ou nettoyer les électrodes de la bougie d allumage Des saletés dans le moteur pourraient endommager le cylindre RÉSOLUTION DES PROBLÈMES PROBLÈME SOLUTION ...

Page 11: ...pretado el control del regulador Haga funcionar la unidad durante 60 segundos más para completar el calentamiento Se puede usar la unidad durante este tiempo 1 1 2 Saque todo el contenido de la caja 5 6 7 1 9 10 3 Ponga la unidad en una superficie llana quite el enchufe de aceite del cárter del motor y vierta la botella entera de aceite en el agujero del terraplén Colóquese en la posición de arran...

Page 12: ...rate de detener el impelente cuando esté girando No opere la unidad sin tener los protectores en su lugar No ponga ningún objeto en las aberturas No opere la unidad si alguna de las aberturas está obstruida manténgala libre de mugre residuos y cualquier otra cosa que pueda reducir el flujo de aire No toque el motor ni el silenciador Estas partes se calientan mucho durante el funcionamiento y se ma...

Page 13: ...a cantidad correcta durante futuros cambios de aceite Vea la sección Cambio de aceite 1 Desenrosque la tapa de la botella de aceite y quite el sello de papel que cubre la abertura Vuelva a colocar la tapa y corte la punta de la boquilla del embudo Fig 4 2 Con la unidad colocada en una superficie plana nivelada quite el tapón del recipiente de aceite Fig 5 3 Vierta la botella de aceite completa en ...

Page 14: ...control de Encendido Apagado está en la posición ENCENDIDO I en todo momento 3 Oprima y suelte completamente la pera del cebador 10 veces lentamente Deberá verse alguna cantidad de combustible en la pera del cebador Fig 9 Si no se ve combustible en la pera oprima la pera hasta que se vea el combustible 4 Coloque la palanca del obturador en la Posición 1 Fig 9 NOTA La unidad debe arrancarse en vací...

Page 15: ...de la bujía a 0 025 pulgadas 0 635 mm con la ayuda de un calibrador de hoja Fig 24 6 Instale una bujía correctamente espaciada en la culata del motor Déle vueltas con la llave de bujía de 5 8 de pulgada en el sentido de las agujas del reloj hasta que ajuste 7 Vuelva a colocar la tapa de la bujía Si usa una llave dinamométrica use un par de torsión de 110 120 pulgada libra 12 3 13 5 N m No apriete ...

Page 16: ...hande ou d adaptation à une fin particulière ne s applique après la période applicable de garantie expresse écrite ci dessus concernant les pièces qui sont identifiées Aucune autre garantie ou caution expresse écrite ou orale à l exception de celle mentionnée ci dessus accordée par toute personne ou entité y compris tout distributeur ou détaillant concernant tout produit n engagera la responsabili...

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